Pith Number

pith:F3YXQ6RC

pith:2026:F3YXQ6RC2PNRI6LJYMIZSO4O3I

not attested not anchored not stored refs pending

Radial abundance gradients of 18 elements in Galactic open clusters from infrared MWM spectra A detailed analysis of 655 giants in 133 clusters

H. J\"onsson, J. M. Otto, K. Cunha, P. Frinchaboy, S. Bijavara Seshashayana, V. D'Orazi

arxiv:2608.02563 v1 · 2026-08-03 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3YXQ6RC2PNRI6LJYMIZSO4O3I}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-08-04T02:44:07.476152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ef1787a22d3db147969c311993b8eda3c7c846c4f9dd5b30830cf1c7336d620

Aliases

arxiv: 2608.02563 · arxiv_version: 2608.02563v1 · doi: 10.48550/arxiv.2608.02563 · pith_short_12: F3YXQ6RC2PNR · pith_short_16: F3YXQ6RC2PNRI6LJ · pith_short_8: F3YXQ6RC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/F3YXQ6RC2PNRI6LJYMIZSO4O3I \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2ef1787a22d3db147969c311993b8eda3c7c846c4f9dd5b30830cf1c7336d620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "753db8ad95cddba654863bba18821a2a42be0637a64581c59d1256363d1792a4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-08-03T17:44:09Z",
    "title_canon_sha256": "96a7a37cdda65da643cee4e5779f05e2d9b8300f048387ff691632594b18ae99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02563",
    "kind": "arxiv",
    "version": 1
  }
}